Ankle Brachial Pressure Index Calculator

Online ABI calculator to determine your ABPI and gain insights into your vascular health.

The ankle brachial index (ABI), also known as Ankle Brachial Pressure Index (ABPI), is a vital tool to assess the likelihood of peripheral artery disease (PAD). This test involves measuring blood pressure (BP) in both the lower legs and arms, then calculating the ratio by dividing the systolic pressure in the ankles by the systolic pressure in the arms.

Ankle SP
mmHg
Brachial SP
mmHg
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    \text{Ankle Brachial Index (ABI)} = \frac{\text{Ankle Systolic Pressure}}{\text{Brachial Systolic Pressure}}